Used in bioconjugation and surface modification due to its azide termination, enabling click chemistry reactions for attaching biomolecules or polymers. It is applied in drug delivery systems to create targeted and controlled release mechanisms. In material science, it enhances the biocompatibility of surfaces, making it suitable for medical devices and implants. Its water-soluble nature allows for use in hydrophilic coatings and hydrogels. Additionally, it serves as a building block in the synthesis of complex polymer architectures for advanced research applications.